21000913290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33334783}}^1$

素因数の和:33334803

約数の個数: 48

約数和(自身を含む): 62402715648

約数和(自身を除く): 41401802358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33334783, 66669566, 100004349, 166673915, 200008698, 233343481, 300013047, 333347830, 466686962, 500021745, 600026094, 700030443, 1000043490, 1166717405, 1400060886, 1500065235, 2100091329, 2333434810, 3000130470, 3500152215, 4200182658, 7000304430, 10500456645, 21000913290]

約数ペア:

[(1, 21000913290), (2, 10500456645), (3, 7000304430), (5, 4200182658), (6, 3500152215), (7, 3000130470), (9, 2333434810), (10, 2100091329), (14, 1500065235), (15, 1400060886), (18, 1166717405), (21, 1000043490), (30, 700030443), (35, 600026094), (42, 500021745), (45, 466686962), (63, 333347830), (70, 300013047), (90, 233343481), (105, 200008698), (126, 166673915), (210, 100004349), (315, 66669566), (630, 33334783)]